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MCQ IOT - SECURITY AND FUTURE OF IOT ECOSYSTEM MCQ Questions
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Question No. -
161
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What is the primary role of a color sensor in an IoT device?
A.
Measure air pressure
B.
Detect changes in temperature
C.
Monitor air quality
D.
Identify and measure colors
Question No. -
162
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Which IoT connectivity option is suitable for low-power, short-range communication between devices in close proximity and is commonly used in home automation?
A.
Zigbee
B.
Bluetooth
C.
LoRaWAN
D.
LTE (Long-Term Evolution)
Question No. -
163
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What is the primary purpose of a moisture sensor in an IoT-based agriculture system?
A.
Measure air pressure
B.
Detect changes in temperature
C.
Monitor soil moisture levels
D.
Measure humidity
Question No. -
164
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Which IoT security measure involves granting specific permissions and access rights to users or devices?
A.
Authentication
B.
Authorization
C.
Encryption
D.
Firewall
Question No. -
165
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What is the role of a vibration sensor in an industrial IoT (IIoT) application?
A.
Measure air pressure
B.
Detect changes in temperature
C.
Monitor vibrations in machinery
D.
Measure humidity
Question No. -
166
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In the context of IoT, what does the term "Digital Footprint" refer to?
A.
The size of digital files
B.
The traces and records of a users online activities
C.
A digital representation of a physical object
D.
The speed at which digital data is transmitted
Question No. -
167
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Which IoT protocol is commonly used for lightweight, bidirectional communication between IoT devices and the cloud?
A.
MQTT
B.
CoAP
C.
HTTP/2
D.
UDP (User Datagram Protocol)
Question No. -
168
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What is the purpose of a tilt sensor in an IoT-based earthquake detection system?
A.
Measure air pressure
B.
Detect changes in humidity
C.
Monitor angular position or tilt
D.
Measure light intensity
Question No. -
169
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Which IoT connectivity option is characterized by low-power, long-range communication suitable for outdoor applications?
A.
Zigbee
B.
Bluetooth
C.
LoRaWAN
D.
Wi-Fi
Question No. -
170
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What is the role of a microphone sensor in an IoT-based surveillance system?
A.
Measure air pressure
B.
Detect changes in temperature
C.
Record and analyze audio
D.
Measure humidity
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